################################################################################
################################################################################
Is a module written in Python that this one get from a web page the html code
and find inside all sources of the images that contains.
################################################################################
################################################################################
Syntax:
  pyGIFWM option [params] [extensions]

option:
	0 -> Only get the images from 1 website.
		syntax: 	pyGIFWM 0 url [extensions]
		generate:	img_url_ext[1..n].sh
	1 -> Get images from a url template website.
		syntax:		pyGIFWM 1 urlT iniNum finNum [extensions]
		generate:	img_urlT[iniNum..finNum]_ext[1..n].sh
	2 -> Get images from the websites that are written in a file.
		syntax:		pyGIFWM 2 file.txt [extensions]
		generate:	img_url[1..n].sh
	3 -> To get the list of known extensions.
		syntax:		pyGIFWM 3
		generate:	STDOUT 'ext1' ..  'extN'
	4 -> To view the license of this  app
		syntax:		pyGIFWM 4
		generate:	STDOUT Module's License
params:
	The params must be one url, a template of one url with an initialNumber
	and with a finalNumber to add to the url template, and in last option
	of param it could be a file (filename) in which one there is a list
	of urls websites.

extensions:
	Is the list of extensions that the module get from the
	website(s), if is not given any extension, by default
	the module get all the images that he know. Each extension of
	this list must not have an initial dot, example:
		Incorrect: '.png'
		Correct:    'png'
################################################################################
Examples:
	pyGIFWM	0 http://www.fsf.org/ png jpg
	   "	1 http://www.fsf.org/ 1 150 png jpg
	   "	2 textfile.txt png jpg
	   "	3
	   "	4 http://www.fsf.org/ gif
################################################################################